<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 14-5-15
 * Time: 下午2:49
 */
/**
 * 处理插件钩子
 * @param string $hook   钩子名称
 * @param mixed $params 传入参数
 * @return void
 */
function hook($hook,$params=array()){
	\Think\Hook::listen($hook,$params);
}

function synMatch($str){
	$match = str_replace('" reload="1"></script><script type="text/javascript" src="', '|', $str);
	$match = str_replace('<script type="text/javascript" src="', '', $match);
	$match = str_replace('" reload="1"></script>', '', $match);
	return $match;
}

function printJson($param){
	header('Content-Type: application/json; charset=utf-8');
	echo getJson($param);
}

/**************************************************************
 *  将数组转换为JSON字符串（兼容中文）
 *  @param  array   $array      要转换的数组
 *  @return string      转换得到的json字符串
 *  @access public
 *************************************************************/
function getJson($array){
	arrayRecursive($array, 'urlencode', true);
	return urldecode(json_encode($array));
}

function arrayRecursive(&$array, $function, $apply_to_keys_also = false){
	static $recursive_counter = 0;
	if (++$recursive_counter > 1000) {
		die('possible deep recursion attack');
	}
	foreach($array as $key => $value){
		if(is_array($value)){
			$this->arrayRecursive($array[$key], $function, $apply_to_keys_also);
		}else{
			$array[$key] = $function($value);
		}
		if($apply_to_keys_also && is_string($key)){
			$new_key = $function($key);
			if ($new_key != $key) {
				$array[$new_key] = $array[$key];
				unset($array[$key]);
			}
		}
	}
	$recursive_counter--;
}

function _authcode($string, $operation = 'DECODE', $key = '', $expiry = 0) {
	$ckey_length = 4;

	$key = md5($key ? $key : UC_KEY);
	$keya = md5(substr($key, 0, 16));
	$keyb = md5(substr($key, 16, 16));
	$keyc = $ckey_length ? ($operation == 'DECODE' ? substr($string, 0, $ckey_length): substr(md5(microtime()), -$ckey_length)) : '';

	$cryptkey = $keya.md5($keya.$keyc);
	$key_length = strlen($cryptkey);

	$string = $operation == 'DECODE' ? base64_decode(substr($string, $ckey_length)) : sprintf('%010d', $expiry ? $expiry + time() : 0).substr(md5($string.$keyb), 0, 16).$string;
	$string_length = strlen($string);

	$result = '';
	$box = range(0, 255);

	$rndkey = array();
	for($i = 0; $i <= 255; $i++) {
		$rndkey[$i] = ord($cryptkey[$i % $key_length]);
	}

	for($j = $i = 0; $i < 256; $i++) {
		$j = ($j + $box[$i] + $rndkey[$i]) % 256;
		$tmp = $box[$i];
		$box[$i] = $box[$j];
		$box[$j] = $tmp;
	}

	for($a = $j = $i = 0; $i < $string_length; $i++) {
		$a = ($a + 1) % 256;
		$j = ($j + $box[$a]) % 256;
		$tmp = $box[$a];
		$box[$a] = $box[$j];
		$box[$j] = $tmp;
		$result .= chr(ord($string[$i]) ^ ($box[($box[$a] + $box[$j]) % 256]));
	}

	if($operation == 'DECODE') {
		if((substr($result, 0, 10) == 0 || substr($result, 0, 10) - time() > 0) && substr($result, 10, 16) == substr(md5(substr($result, 26).$keyb), 0, 16)) {
			return substr($result, 26);
		} else {
			return '';
		}
	} else {
		return $keyc.str_replace('=', '', base64_encode($result));
	}

}

function _stripslashes($string) {
	if(is_array($string)) {
		foreach($string as $key => $val) {
			$string[$key] = _stripslashes($val);
		}
	} else {
		$string = stripslashes($string);
	}
	return $string;
}